Home / 3,074.40-4,242.51-1,895.04

Finding the Fourth Proportional to 3,074.40, 4,242.51 and 1,895.04

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Solution

The fourth proportional to 3,074.40, 4,242.51 and 1,895.04 is: 2,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.40 : 4,242.51 = 1,895.04 : x
  2. Step 2: Convert to fraction form
    3,074.40/4,242.51 = 1,895.04/x
  3. Step 3: Cross multiply
    3,074.40x = 4,242.51 × 1,895.04
  4. Step 4: Simplify right side
    3,074.40x = 8,039,726.15
  5. Step 5: Solve for x
    x = 8,039,726.15/3,074.40
  6. Step 6: Final answer
    x = 2,615.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.